Camera drone quadcopter applications outdoor indoor type of model rtf ready to fly propulsion electric brushless series dji phantom rc functions auto takeoff follow protection fail safe return home positioning glonass gps flight time 23 min maximum speed 57 kmh max speed 16 ms climb rate 5 ms descent rate 3 ms max altitude 6 000 m engine type brushless esc included in delivery remote control battery pack charger propeller model micro